Finding the Fourth Proportional to 65,105.12, 89,845.28 and 35,297.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,105.12 : 89,845.28 = 35,297.12 : x
2. Step 2: Convert to fraction form
   65,105.12/89,845.28 = 35,297.12/x
3. Step 3: Cross multiply
   65,105.12x = 89,845.28 × 35,297.12
4. Step 4: Simplify right side
   65,105.12x = 3,171,279,629.59
5. Step 5: Solve for x
   x = 3,171,279,629.59/65,105.12
6. Step 6: Final answer
   x = 48,710.14